"Give Peace A Chance" is the seventh episode of the sixth season of Grey's Anatomy and the 109th produced episode of the series. It is also the 144th produced episode of the Grey's Anatomy franchise. It was broadcast on October 29, 2009.

When a lab technician from the hospital has an inoperable tumor wrapped around his spine, he asks Derek to do the impossible- save his life and Derek juggles trying to perform a miracle and questioning Richard's authority by procceding with the risky procedure. Alex continues to be tested emotionally when he waits for Izzie to return for her treatment.

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"Ask most surgerons why they became surgerons and they'll usually let you the same thing: it was for the high, the rush, the thrill that comes from cutting someone open and saving their life. For me it was different, maybe because I grew up in a house with four sisters- definatly because I grew up in a house with four sisters because it was the quiet that drew me to surgery. The operating room if a quiet place, peaceful, it has to be in order for us to stay alert, anticipate complications. When you stand in the OR with your patient open on the table all the worlds noise and all the complications that it brings disappears. A calm settles over you, time passing without thought. For that moment you feel completly at peace."

"Ask most surgerons why they became surgerons and they'll usually let you the same thing: the high, the rush, the thrill of the cut. For me it was the quiet. Peace, isn't a permanent state. It exists in moments, fleeting, gone before we even knew it was there. We can experience it at any time; in a strangers act of kindness, a task that requires complete focus or simply the comfort of an old routine. Everyday we all experience the moments of peace. The trick is to know when they're happening so we can embrace them, live in them. And finally let them go."